Home / 27,828.35-38,404.69-16,504.55

Finding the Fourth Proportional to 27,828.35, 38,404.69 and 16,504.55

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Solution

The fourth proportional to 27,828.35, 38,404.69 and 16,504.55 is: 22,777.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,828.35 : 38,404.69 = 16,504.55 : x
  2. Step 2: Convert to fraction form
    27,828.35/38,404.69 = 16,504.55/x
  3. Step 3: Cross multiply
    27,828.35x = 38,404.69 × 16,504.55
  4. Step 4: Simplify right side
    27,828.35x = 633,851,893.05
  5. Step 5: Solve for x
    x = 633,851,893.05/27,828.35
  6. Step 6: Final answer
    x = 22,777.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.